—Will you come to the net bar with me?  

—Sorry. My mother always tells me _____ there.   [ ] 

A. not go                    

B. go  

C. not to go                

D. to go

直肠癌血行转移可出现：（）

A.便血

B.腹胀、腹痛、肠鸣音亢进

C.贫血、无力、极度消瘦

D.大便变扁、变细

E.黄疸